Out-of-bounds read in Apple Safari
Priority LOW 31CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 14 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 17.6, iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing maliciously crafted web content may lead to an unexpected process crash.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01148 66th percentileScored 2026-11-07
Fix Partial Safari (Apple): 17.6iOS and iPadOS (Apple): 16.7.9, 17.6+4 more productsRed Hat: 9 advisoriesRed Hat: 14 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | Safari | before 17.6 | 17.6 | Patch available | CNA |
| Apple | iOS and iPadOS | before 16.7.9; before 17.6 | 16.7.9, 17.6 | Patch available | CNA |
| Apple | macOS | before 14.6 | 14.6 | Patch available | CNA |
| Apple | tvOS | before 17.6 | 17.6 | Patch available | CNA |
| Apple | visionOS | before 1.3 | 1.3 | Patch available | CNA |
| Apple | watchOS | before 10.6 | 10.6 | Patch available | CNA |
- Safari VendorApple Affected before 17.6 Fixed in 17.6 Patch available CNA
- iOS and iPadOS VendorApple Affected before 16.7.9; before 17.6 Fixed in 16.7.9, 17.6 Patch available CNA
- macOS VendorApple Affected before 14.6 Fixed in 14.6 Patch available CNA
- tvOS VendorApple Affected before 17.6 Fixed in 17.6 Patch available CNA
- visionOS VendorApple Affected before 1.3 Fixed in 1.3 Patch available CNA
- watchOS VendorApple Affected before 10.6 Fixed in 10.6 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 16.7.9; 17.0 to before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 16.7.9; 17.0 to before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 14.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 17.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* | before 1.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 10.6 | Vulnerable | Apple |
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.7.9; 17.0 to before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.7.9; 17.0 to before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 14.6 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 17.6 Vulnerable ·Apple
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 1.3 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 10.6 Vulnerable ·Apple
Remediation
- Fix · CNA Safari (Apple) Fixed in 17.6
- Fix · CNA iOS and iPadOS (Apple) Fixed in 16.7.9, 17.6
- Fix · CNA macOS (Apple) Fixed in 14.6
- Fix · CNA tvOS (Apple) Fixed in 17.6
- Fix · CNA visionOS (Apple) Fixed in 1.3
- Fix · CNA watchOS (Apple) Fixed in 10.6
Red Hat 9 advisories
- RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Importantwebkitgtk4 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
- RHSA-2024:9679 Released 2024-11-14 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.46.3-1.el8_4, webkit2gtk3-devel-2.46.3-1.el8_4, webkit2gtk3-jsc-2.46.3-1.el8_4 +1
- Red Hat Enterprise Linux AppStream E4S (v.8.4) webkit2gtk3-2.46.3-1.el8_4, webkit2gtk3-devel-2.46.3-1.el8_4, webkit2gtk3-jsc-2.46.3-1.el8_4 +1
- Red Hat Enterprise Linux AppStream TUS (v.8.4) webkit2gtk3-2.46.3-1.el8_4, webkit2gtk3-devel-2.46.3-1.el8_4, webkit2gtk3-jsc-2.46.3-1.el8_4 +1
- RHSA-2024:9680 Released 2024-11-14 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3-2.46.3-1.el8_2, webkit2gtk3-devel-2.46.3-1.el8_2, webkit2gtk3-jsc-2.46.3-1.el8_2 +1
Show 6 more Red Hat advisories
- RHSA-2024:9653 Released 2024-11-14 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.46.3-1.el8_6, webkit2gtk3-devel-2.46.3-1.el8_6, webkit2gtk3-jsc-2.46.3-1.el8_6 +1
- Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3-2.46.3-1.el8_6, webkit2gtk3-devel-2.46.3-1.el8_6, webkit2gtk3-jsc-2.46.3-1.el8_6 +1
- Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3-2.46.3-1.el8_6, webkit2gtk3-devel-2.46.3-1.el8_6, webkit2gtk3-jsc-2.46.3-1.el8_6 +1
- RHSA-2024:9646 Released 2024-11-14 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) webkit2gtk3-2.46.3-1.el8_8, webkit2gtk3-devel-2.46.3-1.el8_8, webkit2gtk3-jsc-2.46.3-1.el8_8 +1
- RHSA-2024:9636 Released 2024-11-14 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.46.3-1.el8_10, webkit2gtk3-devel-2.46.3-1.el8_10, webkit2gtk3-jsc-2.46.3-1.el8_10 +1
- RHSA-2024:8496 Released 2024-10-28 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3-2.46.1-1.el9_0, webkit2gtk3-devel-2.46.1-1.el9_0, webkit2gtk3-jsc-2.46.1-1.el9_0 +1
- RHSA-2024:8492 Released 2024-10-28 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) webkit2gtk3-2.46.1-1.el9_2, webkit2gtk3-devel-2.46.1-1.el9_2, webkit2gtk3-jsc-2.46.1-1.el9_2 +1
- RHSA-2024:8180 Released 2024-10-16 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.46.1-2.el9_4, webkit2gtk3-devel-2.46.1-2.el9_4, webkit2gtk3-jsc-2.46.1-2.el9_4 +1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple watchOS 10.6
27 records Highest priority Priority MEDIUM 3 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27215 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 40
- TI-2024-27208 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
- Release ·
Apple macOS 14.6
22 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 19 LOW
Other records, highest priority first
- TI-2024-18485 Buffer overflow in Apple macOSPriority HIGH 65
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27215 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 40
Show 4 more groups
- Release ·
Apple iOS and iPadOS 16.7.9, 17.6
21 records Highest priority Priority MEDIUM 3 MEDIUM, 18 LOW
Other records, highest priority first
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27215 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 40
- TI-2024-27208 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
- Release ·
Apple tvOS 17.6
17 records Highest priority Priority MEDIUM 1 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27196 Cross-site request forgery in Apple iOS and iPadOSPriority LOW 37
- TI-2024-27166 Integer overflow in Apple iOS and iPadOSPriority LOW 36
- Release ·
Apple visionOS 1.3
16 records Highest priority Priority MEDIUM 1 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27166 Integer overflow in Apple iOS and iPadOSPriority LOW 36
- TI-2024-18440 Improper privilege management in Apple iOS and iPadOSPriority LOW 36
- Release ·
Apple Safari 17.6
8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2024-27164 Use after free in Apple SafariPriority MEDIUM 51
- TI-2024-27158 Use after free in Apple SafariPriority LOW 31
- TI-2024-27162 Out-of-bounds read in Apple SafariPriority LOW 30
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:9636 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:8180 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:9680 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:9679 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2024:9653 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:9679 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2024:9653 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2024:8496 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:9646 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:8492 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:9679 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2024:9653 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:10364 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2025:10364 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-40789
- 2026-10-03 Alias added: GHSA-6mp9-hrx8-6ffg
References
Advisory 15
- http://seclists.org/fulldisclosure/2024/Jul/15
- http://seclists.org/fulldisclosure/2024/Jul/16
- http://seclists.org/fulldisclosure/2024/Jul/17
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://seclists.org/fulldisclosure/2024/Jul/21
- http://seclists.org/fulldisclosure/2024/Jul/22
- http://seclists.org/fulldisclosure/2024/Jul/23
- https://support.apple.com/en-us/HT214116
- https://support.apple.com/en-us/HT214117
- https://support.apple.com/en-us/HT214119
- https://support.apple.com/en-us/HT214121
- https://support.apple.com/en-us/HT214122
- https://support.apple.com/en-us/HT214123
- https://support.apple.com/en-us/HT214124
- https://support.apple.com/kb/HT214121
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-40789 · CVE Program
- CVE-2024-40789 · NVD
- FIRST EPSS
- GHSA-6mp9-hrx8-6ffg · GitHub Advisory Database · CC BY 4.0
- CVE-2024-40789 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences